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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @package Zend_Validator
*/
namespace Zend\Validator\File;
use Traversable;
use Zend\Stdlib\ArrayUtils;
/**
* Validator which checks if the file already exists in the directory
*
* @category Zend
* @package Zend_Validate
*/
class IsImage extends MimeType
{
/**
* @const string Error constants
*/
const FALSE_TYPE = 'fileIsImageFalseType';
const NOT_DETECTED = 'fileIsImageNotDetected';
const NOT_READABLE = 'fileIsImageNotReadable';
/**
* @var array Error message templates
*/
protected $messageTemplates = array(
self::FALSE_TYPE => "File '%value%' is no image, '%type%' detected",
self::NOT_DETECTED => "The mimetype of file '%value%' could not be detected",
self::NOT_READABLE => "File '%value%' is not readable or does not exist",
);
/**
* Sets validator options
*
* @param array|Traversable|string $options
*/
public function __construct($options = array())
{
// http://de.wikipedia.org/wiki/Liste_von_Dateiendungen
// http://www.iana.org/assignments/media-types/image/
$default = array(
'application/cdf',
'application/dicom',
'application/fractals',
'application/postscript',
'application/vnd.hp-hpgl',
'application/vnd.oasis.opendocument.graphics',
'application/x-cdf',
'application/x-cmu-raster',
'application/x-ima',
'application/x-inventor',
'application/x-koan',
'application/x-portable-anymap',
'application/x-world-x-3dmf',
'image/bmp',
'image/c',
'image/cgm',
'image/fif',
'image/gif',
'image/jpeg',
'image/jpm',
'image/jpx',
'image/jp2',
'image/naplps',
'image/pjpeg',
'image/png',
'image/svg',
'image/svg+xml',
'image/tiff',
'image/vnd.adobe.photoshop',
'image/vnd.djvu',
'image/vnd.fpx',
'image/vnd.net-fpx',
'image/x-cmu-raster',
'image/x-cmx',
'image/x-coreldraw',
'image/x-cpi',
'image/x-emf',
'image/x-ico',
'image/x-icon',
'image/x-jg',
'image/x-ms-bmp',
'image/x-niff',
'image/x-pict',
'image/x-pcx',
'image/x-png',
'image/x-portable-anymap',
'image/x-portable-bitmap',
'image/x-portable-greymap',
'image/x-portable-pixmap',
'image/x-quicktime',
'image/x-rgb',
'image/x-tiff',
'image/x-unknown',
'image/x-windows-bmp',
'image/x-xpmi',
);
if ($options instanceof Traversable) {
$options = ArrayUtils::iteratorToArray($options);
}
if (empty($options)) {
$options = array('mimeType' => $default);
}
parent::__construct($options);
}
/**
* Throws an error of the given type
* Duplicates parent method due to OOP Problem with late static binding in PHP 5.2
*
* @param string $file
* @param string $errorType
* @return false
*/
protected function createError($file, $errorType)
{
if ($file !== null) {
if (is_array($file)) {
if (array_key_exists('name', $file)) {
$file = $file['name'];
}
}
if (is_string($file)) {
$this->value = basename($file);
}
}
switch ($errorType) {
case MimeType::FALSE_TYPE :
$errorType = self::FALSE_TYPE;
break;
case MimeType::NOT_DETECTED :
$errorType = self::NOT_DETECTED;
break;
case MimeType::NOT_READABLE :
$errorType = self::NOT_READABLE;
break;
}
$this->error($errorType);
return false;
}
}
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